COL3A1 and Ehlers-Danlos syndrome, vascular type: While Vascular Ehlers-Danlos Syndrome (vEDS) is primarily linked to mutations in COL3A1, there is some phenotypic overlap with LDS, particularly concerning vascular fragility, prompting research into potential roles of TGFBR2 mutations in vEDS-like presentations (Weerakkody et al., 2016).